Removed unused methods from intrface AddressBook, and hence also from...

Removed unused methods from intrface AddressBook, and hence also from AddressBookPlain and AddressBookDBHandler. Ready for release v0.4.2

.idea/misc.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="FrameworkDetectionExcludesConfiguration" detection-enabled="false" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8.0_201" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>

Contacts.iml

 <?xml version="1.0" encoding="UTF-8"?>
 <module type="JAVA_MODULE" version="4">
-  <component name="FacetManager">
-    <facet type="jpa" name="JPA">
-      <configuration>
-        <setting name="validation-enabled" value="true" />
-        <datasource-mapping>
-          <factory-entry name="contacts-pu" />
-        </datasource-mapping>
-        <naming-strategy-map />
-        <deploymentDescriptor name="persistence.xml" url="file://$MODULE_DIR$/src/META-INF/persistence.xml" />
-      </configuration>
-    </facet>
+  <component name="CheckStyle-IDEA-Module">
+    <option name="configuration">
+      <map />
+    </option>
   </component>
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
-    <orderEntry type="inheritedJdk" />
+    <orderEntry type="jdk" jdkName="1.8.0_201" jdkType="JavaSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" name="libs" level="project" />
+    <orderEntry type="library" name="libs" level="project" />
   </component>
 </module>
\ No newline at end of file

src/no/ntnu/idata2001/contacts/model/AddressBook.java

@@ -6,24 +6,6 @@ import java.util.Iterator;
 
 public interface AddressBook extends Serializable, Iterable<ContactDetails> {
 
-  /**
-   * Searches for a contact matching the phone number given by the parameter.
-   * The found contact is returned. If no contact found, <code>null</code>
-   * is returned.
-   *
-   * @param phoneNumber The number to be looked up.
-   * @return The details corresponding to the phone number.
-   */
-  ContactDetails findContactByPhoneNumber(String phoneNumber);
-
-  /**
-   * Return whether or not the current phone number is in use.
-   *
-   * @param phoneNumber The name or phone number to be looked up.
-   * @return true if the phoneNumber is in use, false otherwise.
-   */
-  boolean keyInUse(String phoneNumber);
-
   /**
    * Add a new contact to the address book.
    *
@@ -31,24 +13,6 @@ public interface AddressBook extends Serializable, Iterable<ContactDetails> {
    */
   void addContact(ContactDetails contact);
 
-  /**
-   * Change the contact previously stored under the given key.
-   *
-   * @param oldKey  One of the keys used to store the contact.
-   *                This should be a key that is currently in use.
-   * @param contact The replacement contact.
-   */
-  void changeDetails(String oldKey,
-                     ContactDetails contact);
-
-  /**
-   * Return the number of entries currently in the
-   * address book.
-   *
-   * @return The number of entries.
-   */
-  int getNumberOfEntries();
-
   /**
    * Remove the contact with the given phone number from the address book.
    * The phone number should be one that is currently in use.

src/no/ntnu/idata2001/contacts/model/AddressBookDBHandler.java

@@ -37,23 +37,12 @@ public class AddressBookDBHandler implements AddressBook {
   private final transient EntityManagerFactory efact;
 
   /**
-   * Creates an instance of the AddressbookDAO.
+   * Creates an instance of the AddressBookDBHandler.
    */
   public AddressBookDBHandler() {
     this.efact = Persistence.createEntityManagerFactory("contacts-pu");
   }
 
-  @Override
-  public ContactDetails findContactByPhoneNumber(String phoneNumber) {
-    //TODO: To be implemented later....
-    return null;
-  }
-
-  @Override
-  public boolean keyInUse(String phoneNumber) {
-    return false;
-  }
-
   @Override
   public void addContact(ContactDetails contact) {
     EntityManager eman = this.efact.createEntityManager();
@@ -63,16 +52,6 @@ public class AddressBookDBHandler implements AddressBook {
     eman.close();
   }
 
-  @Override
-  public void changeDetails(String oldKey, ContactDetails contact) {
-    //TODO: To be implemented later....
-  }
-
-  @Override
-  public int getNumberOfEntries() {
-    return this.getAllContacts().size();
-  }
-
   @Override
   public void removeContact(String phoneNumber) {
     //TODO: To be implemented later...

src/no/ntnu/idata2001/contacts/model/AddressBookPlain.java

@@ -23,7 +23,7 @@ public class AddressBookPlain implements AddressBook {
   // TreeMap is a bit less efficient than a HashMap in terms of searching, du to the
   // sorted order. For more details on the difference:
   // https://javatutorial.net/difference-between-hashmap-and-treemap-in-java
-  private final TreeMap<String, ContactDetails> book;
+  private TreeMap<String, ContactDetails> book;
 
   /**
    * Creates an instance of the AddressBook, initialising the instance.
@@ -32,53 +32,39 @@ public class AddressBookPlain implements AddressBook {
     book = new TreeMap<>();
   }
 
-
-  @Override
-  public ContactDetails findContactByPhoneNumber(String phoneNumber) {
-    return book.get(phoneNumber);
-  }
-
-  @Override
-  public boolean keyInUse(String phoneNumber) {
-    return book.containsKey(phoneNumber);
-  }
-
-  @Override
+  /**
+   * Add a new contact to the address book.
+   *
+   * @param contact The contact to be added.
+   */
   public void addContact(ContactDetails contact) {
     if (contact != null) {
       book.put(contact.getPhone(), contact);
     }
   }
 
-  @Override
-  public void changeDetails(String oldKey,
-                            ContactDetails contact) {
-    if (keyInUse(oldKey) && contact != null) {
-      removeContact(oldKey);
-      addContact(contact);
-    }
-  }
-
-  @Override
-  public int getNumberOfEntries() {
-    return this.book.size();
-  }
-
-  @Override
+  /**
+   * Remove the contact with the given phonenumber from the address book.
+   * The phone number should be one that is currently in use.
+   *
+   * @param phoneNumber The phone number to the contact to remove
+   */
   public void removeContact(String phoneNumber) {
-    if (keyInUse(phoneNumber)) {
-      this.book.remove(phoneNumber);
-    }
+    this.book.remove(phoneNumber);
   }
 
-  @Override
+  /**
+   * Returns all the contacts as a collection.
+   *
+   * @return all the contacts as a collection.
+   */
   public Collection<ContactDetails> getAllContacts() {
     return this.book.values();
   }
 
   @Override
   public void close() {
-    // Nothing needed to be done. Intentionally left empty.
+
   }
 
   @Override

src/no/ntnu/idata2001/contacts/views/ContactsApp.java

@@ -32,7 +32,7 @@ import no.ntnu.idata2001.contacts.model.ContactDetails;
  */
 public class ContactsApp extends Application {
 
-  private static final String VERSION = "0.4.1";
+  private static final String VERSION = "0.4.2";
 
   private MainController mainController;
   private AddressBook addressBook;